public class SubSystem
{
    public void turnOnTV()
    {
        System.out.println("turnOnTV()");
    }

    public void setCD(String cd)
    {
        System.out.println("setCD( " + cd + " )");
    }

    public void starWatching()
    {
        System.out.println("starWatching()");
    }
}
